Radnor® Unitized First Aid Kits are available in 3 sizes (10, 16 and 24) each containing select unitized packages and first aid instructions. Unitized contents allows usage and replacement of specific items. It also allows customization after purchase by allowing the replacement of less used items for more used ones. Sturdy steel construction with weather proof gasket, wall mount brackets and easy-to-use handle make these units truely flexible.